Property market
The five-year median is £600,000 from 1 recorded sale in CF3 6XR. This is a recorded-sale statistic, not a current valuation.
The latest UK House Price Index average for Caerphilly is £197,272 in June 2026, up 5.9% year on year.
CF3 6XR
Machen and Rudry · Caerphilly · Wales
Updated September 2026
Compare this postcodeLocation overview
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- Post town
- Cardiff
- Ward
- Machen and Rudry
- Local authority
- Caerphilly
- Constituency
- Caerphilly
- Postcode district
- CF3
- Postcode sector
- CF3 6
Nearby postcodes
Complete postcode fields and official codes
- Postcode
- CF3 6XR
- Status
- Current
- Introduced
- 1 June 1999
- Terminated
- Not published
- Postcode area
- CF
- Postcode district
- CF3
- Postcode sector
- CF3 6
- Latitude
- 51.554271
- Longitude
- -3.116008
- British National Grid easting
- 322,723
- British National Grid northing
- 184,522
Statistical and administrative geographies
- Country
- Wales · W92000004
- Region
- W99999999
- Local authority district
- Caerphilly · W06000018
- Electoral ward
- Machen and Rudry · W05001661
- Parish or community
- W04000748
- Westminster constituency
- Caerphilly · W07000088
- Output area
- W00007425
- Lower layer super output area
- Caerphilly 021D · W01001419
- Middle layer super output area
- Caerphilly 021 · W02000310
Postcode source versions
- Ordnance Survey: Code-Point Open Version 2026-08 · Current postcode units in Great Britain · OGL-3.0
- Office for National Statistics: ONS Postcode Directory Version 2026-08 · United Kingdom; Northern Ireland excluded pending rights review; Crown Dependencies outside product scope · OGL-3.0 with third-party rights
- Ordnance Survey: Boundary-Line Version 2026-05 · Local-authority boundaries in Great Britain · OS OpenData Licence
Explore CF3
Property
6 recorded
sales at this postcode
| Address | Date | Price |
|---|---|---|
| 1, Tai Derwen, Cefn Mably, Cardiff, CF3 6XR | 15 November 2023 | £600,000 |
| 1, Tai Derwen, Cefn Mably, Cardiff, CF3 6XR | 8 December 2017 | £415,000 |
| 5, Tai Derwen, Cefn Mably, Cardiff, CF3 6XR | 4 July 2008 | £237,000 |
Schools
Within 3.1 miles of this postcode
- Open schools
- 25
- Primary
- 0
- Secondary
- 0
- 2.2 km
St Mellons C.I.W. Primary School
Welsh establishment
- 2.6 km
Pontprennau Primary School
Welsh establishment
- 2.9 km
St Johns College
Welsh establishment
Recorded crime
Within 1 mile of this postcode
- Published events
- 16
- Months covered
- 12
- Latest month
- June 2026
Most recorded categories in this period
- Criminal damage and arson 4
- Public order 3
- Anti social behaviour 2
- Violence and sexual offences 2
- Drugs 1
Census 2021
Population and age profile
- Postcode residents
- 14
- Postcode households
- 6
- Residents per household
- 2.3
- CF3 6 residents
- 2,895
7 female, 7 male
Age bands in CF3 6
Wider postcode sector- Age 0 to 14
- 21.2%
- Age 15 to 24
- 9.2%
- Age 25 to 44
- 41.1%
- Age 45 to 64
- 18.8%
- Age 65 and over
- 9.6%
668 residents
291 residents
1,293 residents
593 residents
302 residents
This postcode contained 0.5% of the sector's usual residents on Census Day. The age profile describes the wider CF3 6 sector, not people in this individual postcode.
Small counts are adjusted for privacy, so totals can differ slightly between Census tables.
Census Day: 21 March 2021. Sources: ONS/Nomis P001-P004 and ONS CT21_0228. Age table version 2024-04-08.
Fixed broadband coverage
Ofcom's predicted availability across all residential and commercial premises in this postcode in January 2026.
- Superfast, 30 Mbit/s+
- 100%
- Ultrafast, 100 Mbit/s+
- 100%
- Ultrafast, 300 Mbit/s+
- 100%
- Gigabit-capable
- 100%
- Unable to receive decent fixed or FWA broadband
- 0%
- Next Generation Access
- 100%
- Decent broadband available from fixed wireless
- 0%
Predicted coverage, not measured speeds. Check availability for your address with a provider. Postcode-level full-fibre figures are not published in this release.
Source: Ofcom Connected Nations Spring 2026, version 2026-01-v2. Contains Ofcom data licensed under the Open Government Licence v3.0.
GP practices
4
within 5 km straight-line
BRYNDERWEN SURGERY
CRICKHOWELL ROAD, ST MELLONS, CARDIFF, CF3 0EF
ODS code W97006
3.3 km
CYNCOED MEDICAL PRACTICE
DARTINGTON DRIVE, PONTPRENNAU, CARDIFF, CF23 8SQ
ODS code W97010
3.6 km
WILLOWBROOK SURGERY
5 STRATHY ROAD, ST. MELLONS, CARDIFF, CF3 0SH
ODS code W97069
3.7 km
ST. DAVIDS MEDICAL CENTRE
PONTPRENNAU MEDICAL CENTR, PENTWYN DRIVE, CARDIFF, CF23 7SD
ODS code W97065
3.9 km
Nearby transport
- 0.8 miles
Began Road
BCT · Michaelstone-y-Fedw
- 1.2 miles
Cardiff Gate
BCT · Cardiff Gate
- 1.2 miles
Cardiff Gate
BCT · Cardiff Gate
- 1.2 miles
Mortimer Avenue
BCT · Old St Mellons
- 1.3 miles
Rogers Avenue
BCT · Old St Mellons
Evidence in context
Schools
25 open schools are in scope, including 0 primary and 0 secondary schools. St Mellons C.I.W. Primary School is the nearest published school at 1.4 miles.
Counts describe active establishment records. They do not assess admissions, catchments or quality.
Recorded crime
16 published events cover 12 months, averaging 1.333 events per published month. The largest recorded category is Criminal damage and arson with 4 events.
The source publishes anonymised street-level events. These figures are not a measure of safety for an individual address.